#include<stdio.h>
#include<unistd.h>
#include<string.h>

int main()
{
  printf("hello printf\n");
  fprintf(stdout,"hello fprintf\n");
  const char* fputsString="hello fputs\n";
  fputs(fputsString,stdout);

  //系统接口
  const char*  writeString="hello write\n"; 
  write(1,writeString,strlen(writeString));

  fork();

  return 0;
}


  //printf("strlen %d\n",strlen(writeString));//12 
  // printf("size %zu\n",sizeof(writeString));//8 
